CN110254360A - Vehicle Object detection sensor component - Google Patents
Vehicle Object detection sensor component Download PDFInfo
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- CN110254360A CN110254360A CN201910167755.3A CN201910167755A CN110254360A CN 110254360 A CN110254360 A CN 110254360A CN 201910167755 A CN201910167755 A CN 201910167755A CN 110254360 A CN110254360 A CN 110254360A
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- Prior art keywords
- port
- sensor window
- sensor
- component
- chamber
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
- G01S7/4813—Housing arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/54—Cleaning windscreens, windows or optical devices using gas, e.g. hot air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/56—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes
- G01S17/931—Lidar systems specially adapted for specific applications for anti-collision purposes of land vehicles
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0006—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means to keep optical surfaces clean, e.g. by preventing or removing dirt, stains, contamination, condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R2011/0001—Arrangements for holding or mounting articles, not otherwise provided for characterised by position
- B60R2011/004—Arrangements for holding or mounting articles, not otherwise provided for characterised by position outside the vehicle
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/497—Means for monitoring or calibrating
- G01S2007/4975—Means for monitoring or calibrating of sensor obstruction by, e.g. dirt- or ice-coating, e.g. by reflection measurement on front-screen
- G01S2007/4977—Means for monitoring or calibrating of sensor obstruction by, e.g. dirt- or ice-coating, e.g. by reflection measurement on front-screen including means to prevent or remove the obstruction
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Measuring Fluid Pressure (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
Present disclose provides " Vehicle Object detection sensor components ".A kind of component, including the shell with chamber.Pressure source and the chamber in fluid communication.First sensor window and each freedom of second sensor window shell limit.The shell have respectively with the first port and second port of the chamber in fluid communication.The first port is adjacent with the first sensor window, and the second port is adjacent with the second sensor window.
Description
Technical field
This disclosure relates to vehicle sensors field, and relate more specifically to Vehicle Object detection sensor.
Background technique
Vehicle (such as autonomous vehicle) generally includes various sensors.The internal state of some sensor detected vehicles, example
Such as vehicle wheel rotational speed, wheel orientation and engine and transmission variable.The position of some sensor detected vehicles and/or orientation,
For example, global positioning system (GPS) sensor；Accelerometer, such as piezoelectricity or MEMS (MEMS)；Gyroscope, it is such as fast
Rate, ring laser or fibre optic gyroscope；Inertial Measurement Unit (IMU)；And magnetometer.Some sensors are that object detection passes
Sensor, the objection detecting sensor detects the external world, for example, radar sensor, scanning laser rangefinder, optical detection and survey
Away from (light detection and ranging, LIDAR) device and image procossing sensor (such as video camera).LIDAR
Device passes through transmitting laser pulse and measures that pulse marches to object and transition time for returning detects the distance of object.
Some sensors are communication devices, for example, vehicle is to infrastructure (vehicle-to-infrastructure, V2I) or vehicle
To vehicle (vehicle-to-vehicle, V2V) device.
Summary of the invention
A kind of component includes that shell described in shell has chamber.Pressure source and the chamber in fluid communication.First sensor
Window and each freedom of second sensor window shell limit.The shell has first port and second port.Described
Each of Single port and the second port and the chamber in fluid communication.The first port and the first sensor
Window is adjacent, and the second port is adjacent with the second sensor window.
The first port can be towards the first sensor window, and second port can be described towards second sensor
Window.
The first sensor window and the second sensor window can respectively have the visual field.The first port can face
To the visual field of the first sensor window, the second port can be towards the visual field of the second sensor window.
The component may include third port and the 4th port.The third port can be towards the first sensor window
Mouthful, and the 4th port can be towards the second sensor window.
The first port and the third port can be adjacent to each other, and the second port and the 4th port can
Adjacent to each other.
The first port and the third port can be towards separated directions.The second port and the 4th port
It can be towards separated direction.
The third port and the 4th port respectively can be with the chamber in fluid communication.
The shell may include the first shielding part and secondary shielding part.In first shielding part and the secondary shielding part
Each extend outwardly relative to the chamber.First shielding part is adjacent with the first sensor window, and institute
It is adjacent with the second sensor window to state secondary shielding part.
According to one embodiment, first shielding part and the first sensor window are settable in a horizontal plane, and
And the secondary shielding part and the second sensor window are settable in a horizontal plane.
The first port can be in first shielding part, and the second port can be in the secondary shielding part
In.
The first port can have the first size, and the second port can have different from first size
Second size.
The shell can have multiple sensors including the first sensor window and the second sensor window
Window.The shell may include the air intlet with the chamber in fluid communication.The shell can have including the first end
Multiple ports of mouth and the second port.It each of the multiple port can be corresponding to the multiple sensor window
Sensor window it is adjacent.The chamber is sealed other than the air intlet and the multiple port.
The component may include diaphragm.The shell may include the air intlet with the chamber in fluid communication, and institute
Stating diaphragm can extend across the air intlet.
The diaphragm may include air cleaner.
The component may include the first objection detecting sensor and the second objection detecting sensor.First object detection
Sensor can be adjacent with the first sensor window, and second objection detecting sensor can be with second sensor window
It is adjacent.
First objection detecting sensor and second objection detecting sensor can be located in the chamber.
At least one of first objection detecting sensor and second objection detecting sensor can have heat dissipation
Device.
At least one of first objection detecting sensor and second objection detecting sensor can be camera.
At least one of first objection detecting sensor and second objection detecting sensor can be laser
Radar system.
The pressure source can be air blower.The shell may include air intlet, and the air blower can with it is described
Air intlet is in fluid communication.
Detailed description of the invention
Fig. 1 is the perspective view with the vehicle of Vehicle Object detection sensor component.
Fig. 2 is the perspective view of Vehicle Object detection sensor component.
Fig. 3 be include pressure source, first sensor window, second sensor window, first port and second port vehicle
The exploded view of objection detecting sensor component.
Fig. 4 be include pressure source and chamber Vehicle Object detection sensor component a part perspective view.
Fig. 5 is the cross section of Vehicle Object detection sensor component.
Fig. 6 is the Vehicle Object detection sensor component for including first sensor window, first port and second port
The cross section of a part.
Fig. 7 be vehicle include the first shielding part and secondary shielding part objection detecting sensor component perspective view.
Fig. 8 be include pressure source, first sensor window, second sensor window, first port, second port, first
The exploded view of the Vehicle Object detection sensor component of shielding part and secondary shielding part.
Fig. 9 be include the first shielding part and secondary shielding part Vehicle Object detection sensor component a part perspective
Figure.
Specific embodiment
With reference to attached drawing, wherein identical appended drawing reference indicates identical component in several views, the group for vehicle 12
Part 10 (i.e. Vehicle Object detection sensor component 10) includes the shell 14,114 with chamber 16.Pressure source 18 and chamber 16 flow
Body connection.Sensor window 20 is limited by shell 14,114 and has the visual field.Shell 14,114 includes connecting with 16 fluid of chamber
The logical and port 70,72,170,172 towards the visual field.
Shell 14,114 can limit more than one sensor window 20.Similarly, shell 14,114 can have respectively with
The more than one port 70,72,170,172 that chamber 16 is in fluid communication.One in port 70,72,170,172 and sensor
One in window 20 is adjacent, and another and another phase in sensor window 20 in port 70,72,170,172
It is adjacent.Pressure source 18 pressurizes to chamber 16 using outside air.Forced air in chamber 16 by port 70,72,170,
172 leave shell 14,114, so that sensor window 20 remains free of the pollutant such as dust, water, snow.Specifically, from
Ported 70,72,170,172 forced air flows through sensor window 20 respectively and is polluted with removing from sensor window 20
Object, and/or block contaminant reaches sensor window 20 respectively.Since pressure source 18 and chamber 16 are in fluid communication, and port
70,72,170,172 are respectively in fluid communication with chamber 16, therefore pressure source 18 is to 70,72,170,172 pressurised air of port
So that sensor window 20 remains free of pollutant.This is eliminated at each of port 70,72,170,172 place
The needs of body pressure source, this can reduce the cost and/or complexity of component 10.
Component 10 includes the objection detecting sensor 26 adjacent with sensor window 20 in chamber 16.Leaving port
70, before 72,170,172, the flow of pressurized air in chamber 16 passes through objection detecting sensor 26 and can cool down object inspection
Survey sensor 26.This can the holding optimal temperature levels of helpful object detection sensor 26.Leave port 70,72,170,172 it
Before, forced air can be heated and flowing through objection detecting sensor 26.When leaving port 70,72,170,172,
Heated forced air can help sensor window 20 to remain free of pollutant.Specifically, heated forced air can make
Snow in sensor window 20 melts and disperses water on it, and can also stop snow, water and other pollutants to reach and pass
Sensor window 20.
Vehicle 12 can be autonomous vehicle and/or semi-autonomous vehicle.Vehicle 12 may include be configured to fully or compared with
The computer of vehicle 12 is operated in small degree independently of the intervention of human driver.Computer can be programmed to action advances
Device, braking system, steering mechanism and/or other Vehicular systems.For the purpose of this disclosure, autonomous operation means computer control
Propeller, braking system and steering mechanism processed；Semi-autonomous operation means computer-controlled thruster, braking system and turning machine
One or more of structure, and human driver controls remainder；And non-autonomous operation means human driver's control
Propeller, braking system and steering mechanism.
With reference to Fig. 1, component 10 may be mounted to the roof 28 of vehicle 12.Alternatively, component 10 may be mounted to vehicle 12
Any suitable position.
With reference to Fig. 2, component 10 may include base portion 30.Shell 14,114 can be supported on support vehicle 12 by base portion 30
(for example, on roof 28 of vehicle 12).Base portion 30 is connected to vehicle 12.For example, base portion 30 may be coupled directly to vehicle 12, or
Person can be connected indirectly to vehicle 12 by intermediate member (for example, one or more standpipes 32).Base portion 30 can be with any suitable
Mode be connected to vehicle 12, for example, by fastener, welding etc..Base portion 30 can be the component of vehicle 12 (for example, can be with
28 one of roof) or vehicle 12 can be split and connected to vehicle 12.Base portion 30 can be with 14,114 one of shell, i.e. shell
14,114 and base portion 30 be formed together and may be separately formed for individual unit or base portion 30 and shell 14,114 and be then assemblied in
Together.Base portion 30 can be made of any suitable material (such as plastics, metal etc.).
Base portion 30 has the ventilation opening 34 for the air inlet being allowed into shell 14,114.For example, ventilation opening 34 can be towards
Vehicle forward direction, so that forcing the air into ventilation opening 34 during the forward movement of vehicle 12.In example shown in the drawings
In, ventilation opening 34 can partly be encapsulated by the roof 28 of vehicle 12.Alternatively, ventilation opening 34 can be limited fully by base portion 30
It is fixed.In addition to this, or other than towards vehicle forward direction, ventilation opening 34 can be towards any suitable direction.
Shell 14,114 may include the air intlet 36 being in fluid communication with chamber 16.In such examples, air intlet 36
Outside air is received to pressurize to chamber 16.Specifically, air can be drawn into chamber by air intlet 36 by pressure source 18
To pressurize to chamber 16 in room 16.Shell 14,114 may include one or more air intlets 36.In addition to one or more
Except air intlet 36 and port 70,72,170,172, shell 14,114 can encapsulate chamber 16 completely.In other words, air can
Only shell 14,114 is flowed through at air intlet 36 and port 70,72,170,172.
For example, air intlet 36 can be in fluid communication with ventilation opening 34.Base portion 30 is plastic, so that in ventilation opening 34 towards vehicle
In the example of forward direction, when vehicle 12 moves forward, base portion 30 is directed air into air intlet 36.For example, base
Portion 30 can be resisted against roof 28 and encapsulate ventilation opening 34, so that air is forced through ventilation opening 34 when vehicle 12 moves forward
And enter air intlet 36.
Air intlet 36 can be downwards.A possibility that construction reduces precipitation close to air intlet 36.In addition, shell
The rest part of body 14,114 blocks air intlet 36, so that relatively cold air (that is, the air not heated by sunlight)
It is inhaled into air intlet 36.The relatively cold air can be beneficial to the operation of objection detecting sensor 26.
Component 10 may include the diaphragm 38 extended across air intlet 36.In other words, chamber is entered by air intlet 36
Any air of room 16 passes through diaphragm 38.For example, diaphragm 38 allows air flowing to enter in air intlet 36, and can prevent
Only other elements (for example, water, dust, dust etc.) enter air intlet 36.It include more than one air in shell 14,114
In the example of import 36, component 10 may include more than one diaphragm 38, and septation 38 is covered each by air intlet 36.Diaphragm
38 may include air cleaner 40.Air cleaner 40 can be such as one-way air filter, that is, allow air to pass through sky
Gas import 36 flow in chamber 16 and prevents air from flowing by air intlet 36 from chamber 16.Instead of air cleaner 40 or
Other than air cleaner 40, diaphragm 38 may include other layers.One layer in the layer may includeEvery
Film 38 can be windproof and/or waterproof.
With reference to Fig. 3, shell 14,114 for example may include lower component 42, upper-part 44 and lid 46.In such examples, lower part
Part 42, upper-part 44 and lid 46 encapsulate chamber 16.Lower component 42, upper-part 44 and lid 46 can be sealed against one another to prevent between them
Air-flow.In the example, as shown, lower component 42 limits air intlet 36.In other examples, shell 14,114 can
Including than lower component 42, upper-part 44 and the more or fewer components of lid 46.In one example, shell 14,114 can be one
Body.
It is as listed above go out, component 10 include pressure source 18.Pressure source 18 and chamber 16 are in fluid communication.In other words, it presses
Power source 18, which is positioned to bypass air through air intlet 36, to be manoeuvred into chamber 16 to pressurize to the air in chamber 16.
It is as listed above go out, the air to be pressurizeed in chamber 16 by pressure source 18 leaves chamber 16 in port 70,72,170,172.Pressure
Power source 18 may be provided in chamber 16.In such examples, pressure source 18 may be supported in lower component 42, and can be for example to appoint
What suitable mode (that is, fastener, welding, bonding) is fixed to lower component 42.Component 10 may include a pressure source 18 or can
With any appropriate number of pressure source 18.
Pressure source 18 can be adjacent with air intlet 36.In other words, without appointing between air intlet 36 and pressure source 18
What other component.In the example that component 10 includes diaphragm 38, pressure source 18 can be adjacent with diaphragm 38.
Pressure source 18 can be air blower 48.Air blower 48 may include drive motor (not labeled) and be rotationally coupled to
The impeller (not labeled) of drive motor.Air blower 48 can be tube-axial fan, centrifugal fan, cross flow fan or it is any its
The fan of his type.Drive motor may be provided above or below impeller.Drive motor can be with the electronic of rotation output
Motor.
Component 10 includes multiple sensor windows 20 and multiple objection detecting sensors 26.At least one object detection sensing
Each of device 26 and sensor window 20 are adjacent, as described further below.Adjective " first ", " second " etc. are opposite
Identifier is used only as without instruction sequence or importance in sensor window 20 and objection detecting sensor 26.
Sensor window 20 is limited by shell 14,114.Sensor window 20 is separated from each other, i.e. the wall of shell 14,114
54 separate sensor window 20.For example, sensor window 20 can be limited by the upper-part 44 of shell 14,114, and upper-part
44 wall can separate sensor window 20.Sensor window 20 can be towards identical or different direction.In sensor window 20
Each allow light through wherein.
Each of sensor window 20 is all transparent.Each of sensor window 20 may include by shell
14,114 hole 56 limited.Each of sensor window 20 may include the lens that shell 14,114 is fixed in hole 56
58.Lens 58 can be formed by any suitable material (such as glass, plastics).
As described above, sensor window 20 is adjacent with objection detecting sensor 26 respectively.As shown in Figure 3 and Figure 5, object is examined
Surveying sensor 26 is oriented such that each of objection detecting sensor 26 towards corresponding sensor window 20.Specifically
The visual field on ground, each of sensor window 20 allows light through wherein, and each of objection detecting sensor 26
It is oriented to sense the light in the visual field by each of sensor window 20 respectively.Each of sensor window 20
Size can and the visual field of each of the objection detecting sensor 26 adjacent to relevant sensor window 20 match.
Objection detecting sensor 26 can detect the external world.For example, objection detecting sensor 26 can be radar sensor,
Scanning laser rangefinder, light detection and ranging (LIDAR) device, image procossing sensor (such as camera) or any other detection
The sensor of light.Objection detecting sensor 26 produces the data indicated by 26 captured image of objection detecting sensor.Object
Each of detection sensor 26, which can detect, to be started at each related sensor window 20 and from each related sensor window
20 outside phenomenons (such as light and sound) of mouth.
As shown in Figure 3 and Figure 5, objection detecting sensor 26 is located in chamber 16.It is each in objection detecting sensor 26
It is a to be in fluid communication with chamber 16.
Objection detecting sensor 26 is supported by shell 14,114.Objection detecting sensor 26 can be located in upper-part 44.?
In the example, objection detecting sensor 26 can be such as by being fixed to upper-part 44 adhesive, one or more fasteners.
Shell 14,114 includes by the separator 60 separated from each other of objection detecting sensor 26.Specifically, separator 60 exists
Cavity 62 is limited in chamber 16, and objection detecting sensor 26 is arranged in the respective cavities in cavity 62.Separator 60 can
Such as fixed to upper-part 44, as shown in Figure 3.In such configuration, upper-part 44 limits opening 64 to allow air-flow from lower part
Part 42 reaches upper-part 44 by opening 64.
It is pressurizeed using the outside air being drawn into chamber 16 by air intlet 36 to chamber 16 in pressure source 18
When, the pressure forces air in chamber 16 leaves chamber 16 by port 70,72,170,172.Specifically, air is from lower component
42 are flowed by opening 64 and are entered in upper-part 44, and flow through port 70,72,170,172 from upper-part 44.
It is as listed above go out, objection detecting sensor 26 is located in upper-part 44.Pressure source 18 can be located at air intlet 36
Between objection detecting sensor 26.In addition, objection detecting sensor 26 can be located at pressure source 18 and port 70,72,170,172
Between.In this way, being originated from pressure source 18 and object inspection must be flowed through by the forced air that port 70,72,170,172 is left
Survey sensor 26.
Shell 14,114 includes extending to port 70,72,170,172 from air intlet 36 and passing through object detection to sense
The flow path 66 of device 26.With reference to Fig. 5, flow path 66 starts at air intlet 36, and outside air is by pressure source 18
It is sucked by air intlet 36.The air in chamber 16 to be pressurizeed by pressure source 18 leaves chamber in port 70,72,170,172
Room 16.Therefore, flow path 66 extends through opening 64 from air intlet 36, and passes through every in objection detecting sensor 26
One arrival corresponding port.Forced air continue through each of objection detecting sensor 26 and leave port 70,72,
170,172 when, flow path 66 extend past each of objection detecting sensor 26 reach port 70,72,170,172.
In the construction that there is shell 14,114 separator 60 and separator 60 to limit cavity 62 in chamber 16, chamber
Flow of pressurized air in 16 into cavity 62 and passes through objection detecting sensor 26.In this case, flow path 66 prolongs
It reaches in cavity 62 and passes through objection detecting sensor 26 and leave port 70,72,170,172.
With reference to Fig. 5, one or more of objection detecting sensor 26 may include radiator 68.Radiator 68 can be along flowing
Path 66 is located between opening 64 and port 70,72,170,172.One in objection detecting sensor 26 has heat dissipation
In the example of device 68, when forced air flow to port 70,72,170,172 from opening 64, forced air is on radiator 68
Fang Liudong.If forced air is colder than radiator 68, forced air will cool down object inspection from 68 draw heat of radiator
Survey sensor 26.Radiator 68 can be for example including radiating fin.
As described above, each of multiple ports 70,72,170,172 are in fluid communication with chamber 16.Adjective " the
One "/" second " etc. is used only as identifier without instruction sequence or importance relative to port 70,72,170,172.As it is following into
The description of one step, in one example, as shown in Figures 1 to 6, port 70,72 generally can down guide air.As another
A example, as shown in Figs. 7-9, port 170,172 can generally horizontally guide air.
Multiple ports 70,72,170,172 include cleaning port 70,170 and curtain port 72,172.Each sensor window
20 is adjacent with one in one cleaned in port 70,170 and curtain port 72,172.Cleaning port 70,170 is passed accordingly
Guide forced air to clear the pollution off from respective sensor window 20 at sensor window 20.The guidance pressurization of curtain port 72,172 is empty
Gas passes through sensor window 20, i.e., before sensor window 20, to prevent pollutant from reaching corresponding sensor window 20.
As shown in Figure 5 and Figure 6, the cleaning port 70,170 at each sensor window 20 and curtain port 72,172 can be adjacent to each other.
In other words, it can be flowed from the forced air that cleaning port 70,170 is flowed with together with the forced air that curtain port 72,172 is flowed
It is dynamic, as shown in Figure 5 and Figure 6.
As shown in Figure 5 and Figure 6, the cleaning port 70,170 at each sensor window 20 and curtain port 72,172 towards
Separated direction.Specifically, port 70,170 and curtain port 72,172 are cleaned towards different directions, as shown in Figure 5 and Figure 6.
Therefore, it cleans port 70,170 and curtain port 72,172 respectively generates individual air stream 74,174.Individual air stream 74,
174 can be separated from each other, or can be mixed with each other in their boundary.
As shown in Figure 5 and Figure 6, cleaning port 70,170 is towards corresponding sensor window 20.In other words, port is cleaned
70, the 170 corresponding sensor window 20 of alignment, so that the flow of pressurized air for leaving chamber 16 at cleaning port 70,170 arrives
In corresponding sensor window 20, i.e., directly blown in corresponding sensor window 20.
As shown in Figure 5 and Figure 6,72,172 visual field towards respective sensor window 20 of curtain port.In other words, curtain port
72, it 172 is aligned, so that the flow of pressurized air for leaving chamber 16 at curtain port 72,172 passes through corresponding sensor window
20.This generates air curtain before sensor window 20, to keep pollutant inclined before pollutant reaches sensor window 20
From sensor window 20.
The size and/or shape of port 70,72,170,172 it is alterable with realize from chamber 16 by port 70,72,
170,172 expectation air-flow.As an example, the size and/or shape for cleaning port 70,170 can change relative to each other.
As another example, the size and/or shape of curtain port 72,172 can change relative to each other.It cleans in port 70,170
One or more can change in size and/or shape relative to one or more of curtain port 72,172.Alternatively, clearly
Clean port 70,170 and curtain port 72,172 can respectively have common shape and/or size.
Shell 14,114 includes antelabium 76,176.Antelabium 76,176 can extending circumferentially continuously around shell 14,114.
Antelabium 76 limits a part of cavity 62, and port 70,72 is limited in antelabium 76.Antelabium 76 may be provided at sensor window
20 tops, so that the air flows down flowed from port 70,72 passes through sensor window 20.For example, such as Fig. 3, Fig. 5 and Fig. 6
Shown, upper-part 44 includes antelabium 76.
Shell 114 may include multiple shielding parts 78.During the forward action of vehicle 12, shielding part 78 stops at least some
Air-flow flows through sensor window 20, to allow the normal operation of port 170,172, so that flowing from port 170,172
Dynamic air suitably keeps the clarity of sensor window 20.Adjective " first ", " second " etc. relative to shielding part 78 only
Sequence or importance are not indicated that as identifier.
Shielding part 78 extends outwardly from shell 114 relative to chamber 16.Shielding part 78 is adjacent with sensor window 20 respectively.
In other words, at least one shielding part 78 is adjacent with each sensor window 20.Each shielding part 78 is relative to corresponding sensing
Device window 20 is located in vehicle forward direction, and stops at least some air-flow flowings to be worn during the forward movement of vehicle 12
Cross corresponding sensor window 20.In other words, the forward movement (that is, in vehicle backward directions) of vehicle 12 is generated across shell
The air-flow of body 14,114, and shielding part 78 prevent at least some air-flows pass through sensor window 20 with allow port 170,
172 normal operation.
Each shielding part 78 and the setting of corresponding sensor window 20 are in a horizontal plane.As an example, all shieldings
Part 78 and sensor window 20 can be in identical horizontal planes.In addition to this, each shielding part 78 and corresponding sensor window
20 can be in the horizontal plane different with another shielding part 78 and corresponding sensor window 20.
Each shielding part 78 can limit port 170,172.Specifically, flow path 66 passes through shielding part 78 and extends to port
170,172.At least some of shielding part 78 can be in generally vehicle forward facing position relative to corresponding sensor window 20,
And in such examples, port 170,172 can be in generally vehicle rearwardly direction towards corresponding sensor window 20.
Therefore, shielding part 78 shields port 170,172 from the shadow of at least some of air-flow caused by the forward movement as vehicle 12
It rings, to allow the normal operation of port 170,172.
Shielding part 78 can with the one of shell 114, i.e., not by seam that shielding part 78 and shell 114 keep together, connect
The single homogeneous material part in conjunction portion, fastener or adhesive.As another example, shielding part 78 can be independently of 114 shape of shell
At and be subsequently attached to shell 114.Shielding part 78 can by any suitable type material (for example, rigid polymer, metal,
Composite material etc.) it is formed.
With reference to Fig. 5 and Fig. 6, in operation, pressure source 18 is by being drawn into chamber by air intlet 36 for outside air
It pressurizes in 16 to chamber 16.Forced air from chamber 16 leave cleaning port 70,170 and curtain port 72,172 with
It clears the pollution off from sensor window 20 and/or repels pollutant and reach sensor window 20.Specifically, forced air is by opening
Mouth 64 is transmitted to cavity 62 from lower component 42.Corresponding port 70,72,170,172 is extended to from opening 64 in flow path 66
When, flow of pressurized air passes through each radiator 68, with the corresponding objection detecting sensor 26 of cooling.Since pressure source 18 is to chamber
Room 16 is pressurizeed, and each of port 70,72,170,172 is in fluid communication with chamber 16, therefore such a construction eliminates
To the needs of the dedicated air blower 48 for each objection detecting sensor 26.In other words, pressure source 18 generates flow path
66, to be used for from each of sensor window 20 removing/repulsion pollutant, and for cooling down objection detecting sensor 26
Each of.
The disclosure is illustratively described, and it will be understood that used term is intended to substantially be description
The word and not restrictive of property word.In view of above teaching, many modifications and version of the disclosure are possible, and
And the disclosure can be different from the other modes of specific descriptions to practice.
According to the present invention, a kind of component is provided, the component has shell, and the shell has chamber；With the chamber
The pressure source that room is in fluid communication；And first sensor window and second sensor window, the first sensor window and institute
Each freedom of second sensor window shell is stated to limit；The shell has the respectively first end with the chamber in fluid communication
Mouth and second port, the first port is adjacent with the first sensor window, and the second port and described second
Sensor window is adjacent.
According to one embodiment, the first port is towards the first sensor window, and the second port face
To the second sensor window.
According to one embodiment, the first sensor window and the second sensor window respectively have the visual field, institute
The visual field of the first port towards the first sensor window is stated, and the second port is towards the second sensor window
The visual field.
According to one embodiment, foregoing invention is further characterized by third port and the 4th port, wherein described
Three ports are towards the first sensor window, and the 4th port is towards the second sensor window.
According to embodiment, the first port and the third port are adjacent to each other, and the second port and described
4th port is adjacent to each other.
According to one embodiment, the first port and the third port are towards separated direction, and described second
Port and the 4th port are towards separated direction.
According to one embodiment, the third port and the 4th port respectively with the chamber in fluid communication.
According to one embodiment, the shell includes respectively relative to outwardly extending first shielding part of the chamber and the
Two shielding parts, first shielding part is adjacent with the first sensor window, and the secondary shielding part and the second sensing
Device window is adjacent.
According to one embodiment, first shielding part and the first sensor window are arranged in a horizontal plane, and
The secondary shielding part and second sensor window setting are in a horizontal plane.
According to one embodiment, the first port is in first shielding part, and the second port is described
In secondary shielding part.
According to one embodiment, the first port has the first size, and the second port has different from institute
State the second size of the first size.
According to one embodiment, it includes the first sensor window and the second sensor window that the shell, which has,
Multiple sensor windows, the shell includes the air intlet with the chamber in fluid communication, and the shell has packet
Include multiple ports of the first port and the second port, each of the multiple port and the multiple sensor
Corresponding sensor window is adjacent in window, and the chamber is close other than the air intlet and the multiple port
Envelope.
According to one embodiment, foregoing invention is further characterized by diaphragm, wherein the shell includes and the chamber
The air intlet that room is in fluid communication, and the diaphragm extends through the air intlet.
According to one embodiment, the diaphragm includes air cleaner.
According to one embodiment, foregoing invention is further characterized by the first objection detecting sensor and the inspection of the second object
Sensor is surveyed, first objection detecting sensor is adjacent with the first sensor window, and second object detection
Sensor is adjacent with the second sensor window.
According to embodiment, first objection detecting sensor and second objection detecting sensor are located at the chamber
In.
According to embodiment, at least one of first objection detecting sensor and second objection detecting sensor
With radiator.
According to embodiment, at least one of first objection detecting sensor and second objection detecting sensor
It is camera.
According to embodiment, at least one of first objection detecting sensor and second objection detecting sensor
It is laser radar system.
According to one embodiment, the pressure source is air blower, wherein the shell includes air intlet, and the drum
Blower and the air intlet are in fluid communication.
Claims (15)
1. a kind of component, the component include:
Shell, the shell have chamber；
Pressure source, the pressure source and the chamber in fluid communication；And
First sensor window second sensor window, the first sensor window and each freedom of second sensor window
The shell limits；
The shell have respectively with the first port and second port of the chamber in fluid communication, the first port with it is described
First sensor window is adjacent and the second port is adjacent with the second sensor window.
2. component as described in claim 1, wherein the first port is towards the first sensor window and described
Two-port netwerk is towards the second sensor window.
3. component as described in claim 1, wherein the first sensor window and the second sensor window respectively have
There are the visual field, the visual field of the first port towards the first sensor window, and the second port is towards described second
The visual field of sensor window.
4. component as claimed in claim 3 further includes third port and the 4th port, wherein the third port is towards institute
First sensor window and the 4th port are stated towards the second sensor window.
5. component as claimed in claim 4, wherein the first port and the third port are adjacent to each other and described
Two-port netwerk and the 4th port are adjacent to each other.
6. component as claimed in claim 4, wherein the first port and the third port be towards separated direction, and
Wherein the second port and the 4th port are towards separated direction.
7. component as claimed in claim 4, wherein the third port and the 4th port respectively with the chamber fluid
Connection.
8. such as component of any of claims 1-7, wherein the shell includes respectively outside relative to the chamber
The first shielding part and secondary shielding part extended, first shielding part are adjacent with the first sensor window and described the
Two shielding parts are adjacent with second sensor window.
9. component as claimed in claim 8, wherein first shielding part and the first sensor window are arranged in level
In face, and the secondary shielding part and second sensor window setting are in a horizontal plane.
10. component as claimed in claim 8, wherein the first port is in first shielding part and the second end
Mouth is in the secondary shielding part.
11. such as component of any of claims 1-7, wherein the first port has the first size, and described
Second port has the second size different from first size.
12. such as component of any of claims 1-7, wherein it includes the first sensor window that the shell, which has,
With multiple sensor windows of the second sensor window, the shell include with the air of the chamber in fluid communication into
Mouthful, and the shell has multiple ports including the first port and the second port, in the multiple port
Each is adjacent with corresponding sensor window in the multiple sensor window, and the chamber is in addition to the air intlet
It is sealed with except the multiple port.
13. further including diaphragm, wherein the shell includes and the chamber such as component of any of claims 1-7
The air intlet that room is in fluid communication, and the diaphragm extends through the air intlet.
14. component as claimed in claim 13, wherein the diaphragm includes air cleaner.
15. further including the first objection detecting sensor and the inspection of the second object such as component of any of claims 1-7
Sensor is surveyed, first objection detecting sensor the second object detection adjacent and described with the first sensor window passes
Sensor is adjacent with the second sensor window.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15/918,069 | 2018-03-12 | ||
| US15/918,069 US10845465B2 (en) | 2018-03-12 | 2018-03-12 | Vehicle object-detection sensor assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110254360A true CN110254360A (en) | 2019-09-20 |
Family
ID=67701836
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910167755.3A Pending CN110254360A (en) | 2018-03-12 | 2019-03-06 | Vehicle Object detection sensor component |
Country Status (3)
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|---|---|
| US (1) | US10845465B2 (en) |
| CN (1) | CN110254360A (en) |
| DE (1) | DE102019105717A1 (en) |
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| CN112158168A (en) * | 2020-09-10 | 2021-01-01 | 一汽解放汽车有限公司 | Camera cleaning equipment, control method and vehicle |
| CN115649069A (en) * | 2022-12-14 | 2023-01-31 | 四川省公路规划勘察设计研究院有限公司 | Vehicle-mounted laser point cloud scanner |
| CN115649069B (en) * | 2022-12-14 | 2023-03-03 | 四川省公路规划勘察设计研究院有限公司 | Vehicle-mounted laser point cloud scanner |
Also Published As
| Publication number | Publication date |
|---|---|
| US10845465B2 (en) | 2020-11-24 |
| US20190277949A1 (en) | 2019-09-12 |
| DE102019105717A1 (en) | 2019-09-12 |
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